Personal digital assistant



FIG. 1 is a front view of the personal digital assistant showing my new design;

FIG. 2 is a rear view;

FIG. 3 is a left side view;

FIG. 4 is a top end view;

FIG. 5 is a bottom end view;

FIG. 6 is a left perspective view;

FIG. 7 is a right perspective view;

FIG. 8 is a rear side, right perspective view; and,

FIG. 9 is a rear side, lower, end, right perspective view. 

The ornamental design for a personal digital assistant, as shown and described. 